CN2552978Y - Three-axle three-speed washing machine clutch - Google Patents
Three-axle three-speed washing machine clutch Download PDFInfo
- Publication number
- CN2552978Y CN2552978Y CN 02241941 CN02241941U CN2552978Y CN 2552978 Y CN2552978 Y CN 2552978Y CN 02241941 CN02241941 CN 02241941 CN 02241941 U CN02241941 U CN 02241941U CN 2552978 Y CN2552978 Y CN 2552978Y
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- gear
- output shaft
- shaft
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Abstract
The utility model relates to a three-shaft and three-speed clutch for the hand rubbed washing machine, which is characterized in that a brake wheel shaft (16) is sleeved outside an input shaft (2) and an output shaft (13) for movable fit based on the original clutch structure, wherein, a brake wheel (10) is fixedly connected with the brake wheel shaft (16); a brake spring (4) is sleeved outside the brake wheel shaft (16) and fitted with the tension and release of the brake wheel shaft (16) and the connecting shaft sleeve (3) through the action of the brake device; an output shaft (17) is integrated with the brake wheel (10); on a flange (14) of a dewatering shaft, an internal gear ring (27) is arranged outside the planet gear frame (7) and is meshed with a gear (22) (or 24, or 26); the input shaft (2) and the output shaft (13) adopt planetary mechanism connection or connection with a gear (21) key respectively. Thereby the three shafts of the output shaft (12), the output shaft (13), and the output shaft (17) combining with the planetary wheel system gear set to adapt various hand rubbed washing speed ratio requirements is generated.
Description
Technical field
The utility model relates to the washing machine accessory, particularly three three fast hand-washing clutch coupling of washing machine of critical component.
Background technology
Washing machine manufacturer because hand rubbing type washing machine utilizes the relative rotating with impeller of dehydration barrel to produce the hand-rubbing type current, can strengthen clean result at present, reducing clothing twines, reduce wear, improve wash degree, so each producer releases the hand-rubbing type water-flow washing machine one after another.And this hand rubbing current mainly rely on the improvement of clutch coupling of washing machine structure to obtain.Washing machine manufacturer does not have much changes to clutch configuration, and bucket carried out similar hand rubbing washing with the relative rotating of impeller outside only of short duration inertia force effect generation was dewatered when braked wheel (10) releasing orientation relies on the impeller rotating.Because dehydration barrel only relies on the inertia force transfer, thus the speed instability, the time compole short, can't overcome clothing fully and twine, the not high defective of wash degree belongs to false hand-rubbing type and washs, so producer claims that this is the hand rubbing function washing machine.Its structure is whole by belt pulley (1) transmission device, brake ribbon (9) brake apparatus, planetary gear deceleration device and output shaft device formation.Said belt pulley (1) transmission device is made up of belt pulley (1), output shaft (2), connecting bushing (3); Said brake ribbon (9) brake apparatus is made up of with unilateral bearing (15) clutch spring (4), ratchet (5), ratchet (6), brake arm (8), brake ribbon (9), braked wheel (10); Said planetary gear deceleration device is made up of planetary wheel carrier (7), planet wheel spindle (11) and planetary gear; The output shaft device is made up of output shaft (12) and output shaft (13), and output shaft (12) is enclosed within output shaft (13) and goes up movable the cooperation.Braked wheel (10) is connected as one together surely with output shaft (12).
The utility model content
The purpose of this utility model is at above-mentioned defective, and a kind of three three fast hand-washing clutch coupling of washing machine are provided.
The technical solution of the utility model is that brake axle (16) is enclosed within power shaft (2) and outer movable cooperation of output shaft (12), braked wheel (10) is fastenedly connected with brake axle (16), clutch spring (4) is enclosed within outside the brake axle (16), under the brake apparatus effect, hold tightly to unclamp and cooperate with itself and connecting bushing (3), output shaft (17) is an integral body with braked wheel (10), and is slidingly matched with output shaft (12).On dehydrating shaft flange (14), the outer ring gear (27) that is equipped with of planetary wheel carrier (7) meshes with gear (22), and power shaft (2) is connected with gear (21) key respectively with output shaft (13).
Output shaft (17) sky is enclosed within output shaft (12) outer end, and gear (22) sky is enclosed within on the planet wheel spindle (11), simultaneously with ring gear (27) and power shaft on gear (21) engagement.
Be set with gear (22) (23) on the planet wheel spindle (11) on the said planetary wheel carrier (7), gear (22) (23) is a duplicate gear, gear (22) and gear (21) engagement that is contained on the power shaft (2), gear (24) and gear (23) engagement are installed, gear (23) and ring gear (27) engagement on the input of output shaft (13).Power shaft (2) is in transmission connection by planet circular system with output shaft (13).
Be set with duplicate gear (22) (23) and gear (26) on the said planet wheel spindle (11), gear (24,25) is housed on the output shaft (13), gear (21) engagement on gear (22) and the power shaft (2), gear (26) simultaneously with output shaft (13) on gear (25) and ring gear (27) engagement, gear (23) meshes with gear (24) again.
The utility model is on the basis that keeps original clutch coupling of washing machine external form, installation dimension, speed ratio, clutch, braking ability, made following structural significant improvement: 1, output is three three rotating speed structures by two two original rotating speed architecture advances, be output shaft (12), output shaft (13) and output shaft (17), from three kinds of different output speeds of various combination formation of planet circular system.The impeller axle is that output shaft (13) rotates separately, dehydrating shaft is that output shaft (12) rotates separately, and braked wheel (10)+output shaft (12)+output shaft (13) (being output shaft (17)) rotates together, make three kinds of speed of three and turn to the different requirements that meet the hand rubbing washing, realize the purpose of real hand rubbing washing; 2,, the clutch double reduction planetary gear structure of known technology is improved to the planetary gear structure that three grades of decelerations and level Four are slowed down, to adapt to different hand rubbings washing speed ratios and to dispose different motors for realizing the certain speed ratio and the direction of hand rubbing current; 3, after the brake force of this structure earlier relies on brake ribbon (9) stall braked wheel (10), utilize in the same way that centrifugal force can only condition each other by inversion structures dehydration barrel and impeller, realize the constraint braking.
The utility model has the advantages that 1, three three its output shaft of fast planetary wheeling mechanism (12) (13) is that dehydrating shaft, impeller axle adopt the reverse speed reducing ratio transmission of deciding, its speed reducing ratio can realize real hand rubbing washing by different Demand Design again.Having overcome original dehydrating vessel in washing machine relies on inertia force to realize that rotating is in short-term done evil through another person to wash the defective of washing appearance by rubbing with the hands; 2, the defective that can avoid the clothing that occurs on the orthoform hand rubbing washing machine to twine makes the inside and outside wash degree height of washings, cleans good uniformity; 3, do not change performances such as original clutch contour structures, installation dimension and speed reducing ratio, washing capacity, motor is not had specific (special) requirements, applicability is wide; 4, because of not having two ratchets, two pawl structures, so the accuracy of manufacture guarantees that easily reliable in action is stable.5, this structure utilizes centrifugal force to condition each other to make impeller, dehydration barrel rotatory force to produce the braking that conditions each other.
Description of drawings
Further describe embodiment below in conjunction with accompanying drawing.
Fig. 1 is a structure chart of the present utility model.
Fig. 2 is the structure chart of three grades of decelerations.
Fig. 3 is the structure chart that level Four is slowed down.
Fig. 4 is double dynamical double reduction clutch configuration schematic diagram.
Fig. 5 is three grades of speed-reducing clutch structural representations of single action power.
Fig. 6 is a single action power level Four speed-reducing clutch structural representation.
The specific embodiment
With reference to Fig. 1, three three fast hand-washing clutches when being double dynamical two reduction gear, 1-belt pulley among the figure, 2-power shaft, the 3-connecting bushing, 4-clutch spring, 5-ratchet, 6-ratchet, the 7-planetary wheel carrier, 8-brake arm, 9-brake ribbon, the 10-braked wheel, 11-planet wheel spindle, 12-output shaft II, 13-output shaft 1,14-dehydrating shaft flange, 15-unilateral bearing, the 16-brake axle, 17-output shaft III, 21-gear Z
1, 22-gear Z
2, the 27-ring gear.Belt pulley (1) transmission device is made up of belt pulley (1), power shaft (2), connecting bushing (3); Brake ribbon (9) brake apparatus is made up of with unilateral bearing (15) clutch spring (4), ratchet (5), ratchet (6), brake arm (8), brake ribbon (9), braked wheel (10); The planetary gear deceleration device is made up of planetary wheel carrier (7), planet wheel spindle (11) and planet circular system; The output shaft device is made up of output shaft (12) and output shaft (13), output shaft (17).Output shaft (17) and output shaft (12), output shaft (12) cooperates with output shaft (13) is all movable.Output changes three three rotating speed structures into by two two original rotating speed structures, the impeller axle is that output shaft (13), dehydrating shaft are that output shaft (12) all rotates separately, braked wheel (10) ten dehydrating shafts (12)+impeller axle (13) (being output shaft (17)) rotate together, its rotating speed of three with turn to the different requirements that should meet hand rubbing washing, realize the purpose of the real hand rubbing washing of washing machine.Because dehydrating shaft (12) all is a known technology with impeller axle (13), the point of improvement is that brake axle (16) is enclosed within outer movable cooperation of power shaft (2) output shaft (12), braked wheel (10) is fastenedly connected with brake axle (16), clutch spring (4) is enclosed within the external brake apparatus effect of brake axle (16) to hold tightly to unclamp with itself and connecting bushing (3) and cooperates, and output shaft (17) is made an integral body with braked wheel (10).The speed of output shaft (12) is then by the planetary gear structure decision, and promptly on dehydrating shaft flange (14), the outer ring gear (27) that is equipped with of planetary wheel carrier (7) meshes with gear (22), and power shaft (2) is connected with gear (21) key respectively with output shaft (13).Output shaft (17) sky is enclosed within output shaft (12) outer end, and gear (22) sky is enclosed within on the planet wheel spindle (11), simultaneously with ring gear (27) and power shaft on gear (21) engagement.
With reference to Fig. 2, number in the figure 1-17,21-22,27 is all identical with Fig. 1, increases 23-gear Z
3, 24-gear Z
4Three three fast hand-washing clutches when this is three grades of reducing gears of single action power.For adapting to the different requirements of washing machine washing speed, the planetary gear reducing gear is improved, go up the installation duplicate gear at planet wheel spindle (11), it is gear (22) (23), gear (22) and gear (21) engagement that is contained on the power shaft (2), gear (24) and gear (23) engagement are installed on the input of output shaft (13), and gear (23) meshes with ring gear (27) again.
With reference to Fig. 3, three three fast hand-washing clutches when being single action power level Four reducing gear.Among the figure, 1-belt pulley, 2-power shaft, 3-connecting bushing, 4-clutch spring, 5-ratchet, 6-ratchet, the 7-planetary wheel carrier, 8-brake arm, 9-brake ribbon, the 10-braked wheel, 11-planet wheel spindle, 12-output shaft II, 13-output shaft I, 14-dehydrating shaft flange, 15-unilateral bearing, the 16-brake axle, 17-output shaft III, 21-gear Z
1, 22-gear Z
2, 23-gear Z
3, 24-gear Z
4, 25-gear Z
5, 26-gear Z
6, the 27-ring gear.It also is in order to enlarge the adaptability of clutch on washing speed that the planetary gear reducing gear changes the level Four deceleration into.Specifically improve and on planet wheel spindle (11), be set with duplicate gear (22) (23) and gear (26), gear (21) engagement on gear (22) and the power shaft (2), gear (26) simultaneously with the input that is installed in output shaft (13) on gear (25) and ring gear (27) engagement, gear (23) meshes with gear (24) again.
With reference to Fig. 4, be double dynamical double reduction clutch configuration schematic diagram.Diagram: n
1-motor low speed, n
2-motor high speed, n
3' n
3-power shaft (2) output shaft (13) rotating speed, n
4-dehydration barrel (12) rotating speed, n
5=n
3'-output shaft (17) rotating speed, A-power shaft (2), B-brake axle (16), C-planet wheel spindle (11), D-clutch spring (4), H-braked wheel (10), P
1-brake ribbon (9), P
2-ratchet (6), P
3-unilateral bearing (15).Power is double-speed motor, low speed n
1, high speed n
2, deceleration becomes rotation speed n through belt pulley (1)
3Or n
3', n
1About 700 rev/mins, n
3Be 170 rev/mins, clutch spring this moment (4) is thrown off under ratchet (6) and ratchet (5) power effect, and braked wheel (10) is braked under brake ribbon (9) and unilateral bearing (15) effect not to be changeed.The rotating speed of power shaft (2) is on the one hand by gear (21), i.e. Z
1The spline endoporus directly drive washing machine output shaft (13) and rotate, promptly among the figure I impeller axle at same speed n
3Following running.In addition aspect power shaft (2) promptly among the figure A drive first order train of reduction gears Z
1-Z
2Backward rotation, and drive second level train of reduction gears Z
2-Z
3Rotate in the same way.Ring gear (27) i.e. is Z among the figure
3Be fixed on the interior end flanges of dehydrating shaft (12) (14) Z
3Rotate the back and drive dehydrating shaft (12) to reversely rotate at low speed with output shaft (13).This moment, agitation wheel for washing machine and dehydration barrel were rotated with about 3: 1 permanent differential ratio inverse, realized real hand-rubbing type washing.
When washing machine operated in dehydration procedure, ratchet (6) unclamped, and drives ratchet (5) clutch spring (4) is held tightly, and power shaft (2) is connected with brake axle (16), and brake ribbon (9) unclamps simultaneously, and motor is with high speed n
2(about 2800 rev/mins) slow down by belt pulley (1) and are 200-850 rev/min, and directly drive braked wheel (10) with n by clutch spring (4)
5(700-850 rev/min is n to high speed rotating
3'), at braked wheel (10) inner chamber, planetary wheel carrier (7) is associated in brake axle (16), and output shaft (13), output shaft (12) combine as a whole with output shaft (17) at this moment, so the dehydration barrel on the output shaft (12) is with n
5The speed dehydration is rotated, because the one-way brake effect of unilateral bearing (15) can only a direction be rotated during dehydration.
With reference to Fig. 5, be three grades of speed-reducing clutch structural representations of single action power.Graphical sysmbol is basic identical with Fig. 4, changes to be Z
3-gear (23), Z
4-gear (24), Z
5-ring gear (27).On the one hand, one-level train of reduction gears Z
1-Z
2, i.e. gear (21) (22); Double-reduction gear group (Z
3-Z
4), i.e. gear (23) (24), gear (22) (23) is a duplicate gear, making impeller output shaft (13) after the deceleration is I axle rotation speed n
3Be about 140-180 rev/min; The aspect is three grades of (Z that slow down of Z5 by ring gear (27) in addition
3-Z
5) ring gear (27) is obtained and n
3Reciprocal rotation speed n
4, because ring gear (27) is that II links with dehydrating shaft (12), then dehydrating shaft (12) rotating speed also is n
4About 65-80 rev/min, agitation wheel for washing machine and the permanent differential ratio inverse of outer bucket are rotated.
With reference to Fig. 6, be the structural representation of single action power level Four speed-reducing clutch.Graphical sysmbol and Fig. 4 Fig. 5 are basic identical, Z
5-gear (25), Z
6-gear (26), Z
7-ring gear (Z
7), one-level train of reduction gears Z
1-Z
2, double reduction (Z
3-Z
4), (Z
2-Z
3Duplicate gear), after the deceleration, the rotating speed that makes impeller axle I is n
3About 150-180 rev/min, drive the agitation wheel for washing machine rotation.This rotating speed is again by three grades of reducing gear (Z simultaneously
5-Z
6), Z
6For sky is enclosed within planetary gear on the C axle, level Four reducing gear (Z
6-Z
7) drive ring gear Z
7With n
4Speed rotate about 35-60 rev/min, and n
4Direction and n
3On the contrary, thus drive dehydrating vessel in washing machine with n
4Low speed again with the impeller backward rotation, realize that the reverse hand rubbing of impeller and dehydration barrel washs.
Claims (3)
1, three three fast hand-washing clutch coupling of washing machine are made of belt pulley (1) transmission device, brake ribbon (9) brake apparatus, planetary gear deceleration device and output shaft device; Said belt pulley (1) transmission device is made up of belt pulley (1), power shaft (2), connecting bushing (3); Said brake ribbon (9) brake apparatus is made up of with unilateral bearing (15) clutch spring (4), ratchet (5), ratchet (6), brake arm (8), brake ribbon (9), braked wheel (10); Said planetary gear deceleration device is made up of planetary wheel carrier (7), planet wheel spindle (11) and planetary gear, and the output shaft device is made up of output shaft (12) and output shaft (13), and output shaft (12) is enclosed within output shaft (13) and goes up movable the cooperation, it is characterized in that:
A, brake axle (16) are enclosed within power shaft (2) and outer movable cooperation of output shaft (12), braked wheel (10) is fastenedly connected with brake axle (16), clutch spring (4) is enclosed within outside the brake axle (16), under the brake apparatus effect, hold tightly to unclamp and cooperate with itself and connecting bushing (3), output shaft (17) is an integral body with braked wheel (10), and is slidingly matched with output shaft (12);
B, on dehydrating shaft flange (14), planetary wheel carrier (7) is outer to be equipped with ring gear (27) and gear (22) engagement, power shaft (2) is connected with gear (21) key respectively with output shaft (13);
C, output shaft (17) sky are enclosed within output shaft (12) outer end, and gear (22) sky is enclosed within on the planet wheel spindle (11), simultaneously with (21) engagement that cogs of ring gear (27) and power shaft.
2, according to the said three three fast hand-washing clutch coupling of washing machine of claim 1, it is characterized in that being set with gear (22) (23) on the planet wheel spindle (11) on the planetary wheel carrier (7), gear (23) is a duplicate gear with gear (22), gear (22) and gear (21) engagement that is contained on the power shaft (2), gear (24) and gear (23) engagement are installed on the input of output shaft (13), gear (23) passes through the planet circular system driving coupling with ring gear (27) engagement, power shaft (2) with output shaft (13).
3, according to claim 1 or 2 said three three fast hand-washing clutch coupling of washing machine, it is characterized in that being set with on the planet wheel spindle (11) duplicate gear (22) (23) and gear (26), gear (24) (25) is housed on the output shaft (13), gear (21) engagement on gear (22) and the power shaft (2), gear (26) simultaneously with output shaft (13) on gear (25) and ring gear (27) engagement, gear (23) meshes with gear (24) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02241941 CN2552978Y (en) | 2002-07-01 | 2002-07-01 | Three-axle three-speed washing machine clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02241941 CN2552978Y (en) | 2002-07-01 | 2002-07-01 | Three-axle three-speed washing machine clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2552978Y true CN2552978Y (en) | 2003-05-28 |
Family
ID=33714648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02241941 Expired - Fee Related CN2552978Y (en) | 2002-07-01 | 2002-07-01 | Three-axle three-speed washing machine clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2552978Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422423C (en) * | 2006-01-24 | 2008-10-01 | 胡君明 | Powered washing machine with three speed ratios |
| CN104862925A (en) * | 2014-02-25 | 2015-08-26 | 海尔集团公司 | Decelerating clutch of washing machine and washing machine |
| CN108708137A (en) * | 2018-07-12 | 2018-10-26 | 浙江三星机电股份有限公司 | A kind of reduction clutch of washing machine and washing machine |
| CN110761038A (en) * | 2018-07-25 | 2020-02-07 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110761037A (en) * | 2018-07-25 | 2020-02-07 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110761039A (en) * | 2018-07-25 | 2020-02-07 | 青岛海尔洗衣机有限公司 | Washing machine speed reduction clutch and washing machine |
| CN110777512A (en) * | 2018-07-25 | 2020-02-11 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110777514A (en) * | 2018-07-25 | 2020-02-11 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110777513A (en) * | 2018-07-25 | 2020-02-11 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN112144239A (en) * | 2019-06-27 | 2020-12-29 | 青岛海尔洗衣机有限公司 | Speed reduction clutch device of washing machine |
| CN112575541A (en) * | 2019-09-27 | 2021-03-30 | 青岛海尔洗衣机有限公司 | Speed reduction clutch and washing machine |
| CN112797133A (en) * | 2021-01-15 | 2021-05-14 | 中国铁建重工集团股份有限公司 | Silage harvester header gearbox and silage harvester |
-
2002
- 2002-07-01 CN CN 02241941 patent/CN2552978Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422423C (en) * | 2006-01-24 | 2008-10-01 | 胡君明 | Powered washing machine with three speed ratios |
| CN104862925A (en) * | 2014-02-25 | 2015-08-26 | 海尔集团公司 | Decelerating clutch of washing machine and washing machine |
| CN104862925B (en) * | 2014-02-25 | 2019-01-29 | 青岛海尔洗衣机有限公司 | Decelerating clutch of washing machine and washing machine |
| CN108708137B (en) * | 2018-07-12 | 2023-04-21 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN108708137A (en) * | 2018-07-12 | 2018-10-26 | 浙江三星机电股份有限公司 | A kind of reduction clutch of washing machine and washing machine |
| CN110777513B (en) * | 2018-07-25 | 2023-04-28 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110761038A (en) * | 2018-07-25 | 2020-02-07 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110777512A (en) * | 2018-07-25 | 2020-02-11 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110777514A (en) * | 2018-07-25 | 2020-02-11 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110777513A (en) * | 2018-07-25 | 2020-02-11 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110761039B (en) * | 2018-07-25 | 2023-05-16 | 青岛海尔洗衣机有限公司 | Washing machine speed reduction clutch device and washing machine |
| CN110761037B (en) * | 2018-07-25 | 2023-05-16 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110761038B (en) * | 2018-07-25 | 2023-05-16 | 青岛海尔洗衣机有限公司 | Washing machine speed reduction clutch device and washing machine |
| CN110761037A (en) * | 2018-07-25 | 2020-02-07 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110777514B (en) * | 2018-07-25 | 2023-04-25 | 青岛海尔洗衣机有限公司 | A washing machine deceleration clutch device and washing machine |
| CN110761039A (en) * | 2018-07-25 | 2020-02-07 | 青岛海尔洗衣机有限公司 | Washing machine speed reduction clutch and washing machine |
| CN110777512B (en) * | 2018-07-25 | 2023-05-05 | 青岛海尔洗衣机有限公司 | Washing machine speed reduction clutch device and washing machine |
| CN112144239A (en) * | 2019-06-27 | 2020-12-29 | 青岛海尔洗衣机有限公司 | Speed reduction clutch device of washing machine |
| CN112575541A (en) * | 2019-09-27 | 2021-03-30 | 青岛海尔洗衣机有限公司 | Speed reduction clutch and washing machine |
| CN112797133A (en) * | 2021-01-15 | 2021-05-14 | 中国铁建重工集团股份有限公司 | Silage harvester header gearbox and silage harvester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |